Betty was born March 2, 1926, in Dodge City, KS, the daughter of William A. and Ruby Kerr Derksen.

She enjoyed her flowers and outdoor activities, including fishing.

On July 29, 1978, in Eugene, OK, Betty married Warren Crosby.

She is survived by her son, Joe Clark and his wife, Vicki of Kahoka, MO; two brothers, William Derksen and his wife, Rose of West Point, IA, and Donald (Doc) Derksen and his wife, Betty of O'Fallon, MO; a sister, Margaret Smith of Purdy, MO; two grandchildren, three great-grandchildren, and several nieces and nephews.

Betty was preceded in death by her parents, a sister, and two brothers-in-law.